Air cleaner



FIG. 1 is a top perspective view of the air cleaner;

FIG. 2 is a bottom perspective view of the air cleaner;

FIG. 3 is a right side elevation view of the air cleaner;

FIG. 4 is a left side elevation view of the air cleaner;

FIG. 5 is a front elevation view of the air cleaner;

FIG. 6 is a rear elevation view of the air cleaner;

FIG. 7 is a bottom plan view of the air cleaner;

FIG. 8 is a top plan view of the air cleaner;

FIG. 9 is a top perspective view of the air cleaner installed in a motorcycle;

FIG. 10 is a left side elevation view of the air cleaner installed in a motorcycle; and,

FIG. 11 is a top plan view of the air cleaner installed in a motorcycle.

The motorcycle shown in broken lines is provided for the purposes of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for an air cleaner, as shown and described. 